Conjugating and Using SEIN: The Verb TO BE


Question 1: Discovering sein, the verb to be

The verb "to be" allows you to construct sentences like these examples:

  • The cat is tired. - Die Katze ist müde.
  • I am lonely. - Ich bin einsam.
  • They are close friends. - Sie sind enge Freunde.

The verb "to be" allows you to express thousands of ideas. That's why it is an essential building block in every language.


This quiz will help you to learn and remember the conjugation of sein (to be) in German.



CONJUGATION: sein - to be




1st person

ich bin - I am

wir sind - we are

2nd person

du bist - you are 

 (addressing one familiar person)

 ihr seid - you are

(addressing two or more familiar people)

3rd person

er/sie/es ist - he / she / it is

sie sind - they are










  1 Ich zwölf Jahre alt. - I am 12 years old.

  2 Du mein Freund. - You are my friend. (to one familiar)

  3 Er gut in Deutsch. - He is good at German.

  4 Wir enge Freunde. We are close friends.

  5 Wo ihr? - Where are you? (to two or more familiars)

  6 Sie sehr alt. - They are very old.

Question 2: Using sein to identify and describe people

With the help of the conjugation table above, select the correct verb form for the sentences below. In the process, you will encounter some adjectives and other words that you'll find useful as you learn German. 


a Ich sehr müde. - I am very tired.

b Warum du traurig? - Why are you sad? (to one person)

c Warum ihr traurig? - Why are you sad? (to two or more familiar people)

d Sie meine Freunde. - They are my friends.

e Sie meine Freundin. - She is my friend (or girlfriend).

f Wir in der siebten Klasse. - We are in Year 7. 

g Meine Eltern manchmal zu streng. - My parents are sometimes too strict.

h Er sehr gut in Mathe. - He is very good at Maths.

i Sie enge Freunde. - They are close friends.

Er ein Idiot. - He is an idiot.


Question 3: Fill in the conjugation table below, using the gap-fillers provided.


Gap-fillers: seid • sind x 2 • bin • bist • ist


Type the missing words below:

CONJUGATION: sein - to be




1st person

ich - I am

wir - we are

2nd person

du - you are

ihr - you are

3rd person

er/sie/es - he/she/it is

sie - they are